I'm building a web custom control in which I'm trying to include an enum for one of the properties as follows:

//-------------------------
public enum LocationType
{
NotSet,
Client,
Server,
Both
}

[
Category("ACFragment Defaults"),
DefaultValue(LocationType.Client),
Description ("location where the content is stored"),
DesignerSerializationVisibility (DesignerSerializationVisibility.Content),
NotifyParentProperty(true)
]
public virtual LocationType ACDefaultLocation
{
get
{
object o = ViewState["ACDefaultLocation"];
return (o == null) ? LocationType.Client : (LocationType)o;
}
set
{
ViewState["ACDefaultCacheLocation"] = value;
}
}
//----------------------

The enum correctly displays as a drop down in design mode and once selected the value shows up correctly in the html design form. However, when the application runs the control always retrieves the default value rather then the value selected in the drop down.

My guess is that I'm missing Enum.ToObject(typeof(LocationType), value) in the get method. However, that would cause problems in the design mode.

I've seen references to TransitionStyleObjectConverter in this forum which should help but I can't figure out how to implement it into the above scenario.

Please let me know how to make this work,
Mike

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- Cache entire web sites at the client and server and keep cache current. Cache just got easier!

You setter and getter don't use the same key for ViewState ;)

Slip in the example, its the same in the code though.

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- Cache entire web sites at the client and server and keep cache current. Cache just got easier!

Look at the bolded stuff here ;-) :

 object o = ViewState["ACDefaultLocation"];

And

 ViewState["ACDefaultCacheLocation"] = value;

Don't you hate weakly typed dictionaries? :-)

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-- Justin Lovell

Thanks mater4eva,

That wasn't the problem but rater a slip when coping my code to the forum. I appreciate your input though.

The problem was the use of NotSet in the enum which kept taking the default value making me think the enum wasn't working. It seems that the "NotSet" enum value is a particular value for webcontrol, it will be parsed by the asp.net runtime as "not set", so that the default value of that property will be set. You can find the same behavior of the other control's "Font" or anyother Properties. Change NotSet to None in the enum and it works!

Mike

---

- Cache entire web sites at the client and server and keep cache current. Cache just got easier!